AchernarvsCopernicus
Copernicus has a higher Declination (28 vs -57 °), while Copernicus has a higher Absolute Magnitude (6 vs -3 mag), while Copernicus has a higher Color Index (B-V) (1 vs 0).
Brightness
0
Apparent Magnitude
6
-3
Absolute Magnitude
6
1,052
Luminosity
1
Physical Properties
139
Distance
40
12,650
Surface Temperature
5,081
0
Color Index (B-V)
1
Position
2
Right Ascension
9
-57
Declination
28
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Data sourced from HYG Database (Free for any purpose, including commercial).